EP2634366A2 - Pompe à vis à broche double dans une construction à simple flux - Google Patents

Pompe à vis à broche double dans une construction à simple flux Download PDF

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Publication number
EP2634366A2
EP2634366A2 EP13000395.7A EP13000395A EP2634366A2 EP 2634366 A2 EP2634366 A2 EP 2634366A2 EP 13000395 A EP13000395 A EP 13000395A EP 2634366 A2 EP2634366 A2 EP 2634366A2
Authority
EP
European Patent Office
Prior art keywords
gear
pump
section
shaft
fastening element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13000395.7A
Other languages
German (de)
English (en)
Other versions
EP2634366A3 (fr
EP2634366C0 (fr
EP2634366B1 (fr
Inventor
Weshen Christov
Hans Jung
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jung Geraetebau GmbH and Co
Original Assignee
Jung Geraetebau GmbH and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jung Geraetebau GmbH and Co filed Critical Jung Geraetebau GmbH and Co
Publication of EP2634366A2 publication Critical patent/EP2634366A2/fr
Publication of EP2634366A3 publication Critical patent/EP2634366A3/fr
Application granted granted Critical
Publication of EP2634366C0 publication Critical patent/EP2634366C0/fr
Publication of EP2634366B1 publication Critical patent/EP2634366B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
    • F01C17/02—Arrangements for drive of co-operating members, e.g. for rotary piston and casing of toothed-gearing type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2230/00—Manufacture
    • F04C2230/60—Assembly methods
    • F04C2230/601—Adjustment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2230/00—Manufacture
    • F04C2230/80—Repairing methods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/60—Shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/16—Wear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/17—Tolerance; Play; Gap

Definitions

  • the invention relates to a two-spindle screw pump in einflutiger construction with a pump housing having a pump portion, a bearing portion and a gear portion having a gear housing, wherein the bearing portion and the pump portion are designed separately from each other, with a conveyor housing part as part of the pump section in which two Shafts arranged conveying screws are provided with flanks, wherein the shafts are mounted in the bearing portion (outer bearing) and extend into the gear section, arranged on the shafts in the gear section gears, by means of which the shafts are rotationally coupled to one on the shaft in operative connection therewith arranged fastening element for producing a holding connection between the shaft and gear, wherein the fastening element and the gearwheel have corresponding bores, via the between the gear and the fastening element a holding Ve Binding can be produced via a locking element.
  • the arranged on the waves conveyor screws are fixed with a defined clearance between the flanks (backlash).
  • Such a pump structure is known from the DE 2009014604 U1 , These pumps are characterized in particular by a product-friendly operation and an associated low wear.
  • the object of the invention is to improve the aforementioned pump to the effect that a simpler and less time-consuming maintenance or readjustment can be made.
  • an opening is provided on the gear portion of the pump housing, that the opening is provided with a detachable cover, that the opening is arranged so that the covers in the assembled state of the spindle pump is releasable, and that the gear chamber for adjustment the backlash of the conveyor screws with the necessary tools is reached.
  • the holes in the fastener are designed so that the gear and the fastener (and thus the shaft) are rotated against each other, so that a distance of the flanks of the conveyor screws (the backlash of the conveyor screws) is adjustable, that the holes in the fastening element are provided as a radial slot, in which the locking element is radially displaceable in the inserted but not locked state, and that the radial length of the slot is provided so that its end points coincide at least with the points of contact of the flanks of the conveyor screws ,
  • fastening element is provided with the oblong holes only on a shaft. This takes into account the fact that it has been found that it is sufficient to adjust only one shaft while the other shaft is mounted constantly.
  • Another teaching of the invention provides that the radial length of the elongated holes is longer than the radial distance of the contact points of the flanks of the conveyor screws. This makes it possible to compensate for any unilateral wear of the flanks by a corresponding displacement beyond the original end points addition.
  • Another teaching of the invention provides that a hydraulic separation exists between the pump section and the bearing section, preferably via a mechanical seal and / or that there is a physical separation between the bearing section and the gear section. In terms of the adjustability of the backlash and storage, these spatial separations have proven to be particularly advantageous.
  • the fastening element has a bushing section for pushing onto the shaft, wherein the bushing section preferably has a receiving section for the gear wheel, and / or wherein the shaft and the bushing section have a groove for receiving a feather key for producing a rotationally effective connection between the shaft and fastener.
  • This embodiment element represents a cost-effective and particularly maintenance-friendly embodiment of the invention.
  • the spindle pump 10 has a housing 11 which has a pump section 12, a bearing section 13 and a gear section 14. These are spatially and hydraulically separated from each other. Further, the spindle pump 10 includes a driven shaft 15 and a driven shaft 16. On the driven shaft 15 is a feed screw 17 and on the driven shaft 16, a feed screw 18 is arranged, which are engaged. In the storage section 13 is a needle bearing 19 and a roller bearing 20 are provided, so that the shafts are mounted in external storage outside the pump section 12. The shaft end 22 of the driven shaft 15 extends out of the housing 11 and has there a connection 24 for a drive unit 49. On the driven shaft 15 is a gear 25. On the driven shaft, a gear 26 is arranged. The teeth of the gears 25, 26 are meshingly engaged.
  • a fastening element 27 is arranged on the shaft end 23.
  • the fastening element 27 has a bushing section 28 and a flange section 29.
  • the outside of the bushing portion 28 is at the same time receiving surface 30 for the gear 26.
  • a feather key 31 is inserted, via which a rotational engagement between the shaft 16 and fastener 27 is made.
  • a hexagonal screw 33 is screwed, with which a clamping plate 34 is screwed against a seat 35 on the fastening element 27.
  • the fastening element 27 is connected to the shaft end 23 in a locking manner.
  • the flange portion 29 has a bore 36.
  • the gear 26 has a corresponding bore 37, which can be designed as a through hole or as a hole.
  • a thread (not shown) is arranged in the bore 37.
  • a hexagonal screw 38 is screwed, whereby the flange portion 29 of the fastener 27 is locked to the gear 26.
  • Behind the bushing portion 28 of the fastener 27 is a spacer sleeve 39, which ensures that the gear 26 can not come into contact with the mounting screws 40 of the gear portion 14 with the bearing portion 13.
  • Fig. 2 a sectional view through the gear portion 14 is shown. Visible here are the gear wheels 25, 26 in engagement.
  • the fastening element 27 with its flange section 29 is shown on the gear 26.
  • the clamping disk 34 is mounted in the seat 35 of the flange portion 29.
  • the bore 36 in the flange portion 29 is designed as a slot 41.
  • the gear portion 14 on its upper side an opening 42 which is connected to a cover 43 via hexagon bolts 44 to the gear portion 14 holding.
  • Fig. 3 shows a sectional view through the engaged conveyor screws 17, 18.
  • the conveyor screws have screw projections 45, which have flanks 46 respectively.
  • the distance between the flanks 46 represents the backlash 47.
  • the backlash 47 is therefore such that the fastening element 27 is rotatably mounted on the shaft end 23 and the driven shaft 16 via the feather key 31. Subsequently, the clamping disk 34 is screwed into the seat 35 via the hexagonal screw 33.
  • the gear 26 is located at the time already on the receiving surface 30 of the female portion 28 of the fastener 27 and is engaged with the gear 25 of the driven shaft 15.
  • the flange 29 with the slots therein 41 over the holes 37 arranged in the gear 26 and the hexagon screws 38 are screwed, with no locking connection between the flange portion 29 and gear 26 is formed. By turning the flange portion 29, it is now possible to adjust the flank clearance 47 between the feed screw 18 and the feed screw 17. If the optimum adjustment of the backlash 47 is reached, a locking connection via the hexagon screws 38 is generated.
  • Fig. 4 to Fig. 7 show an arrangement of the spindle pump 10 on a base plate 48.
  • the spindle pump 10 is connected to a drive unit 49.
  • Fig. 8 to Fig. 11 show a further embodiment in which the pump is in block construction.
  • each plan views are shown on the gear portion 14 without mounted cover 43 on the opening 42.
  • the gear portion 14 in this case has a planar portion 50, in which around the opening 42 around holes 51 are arranged, which have a thread (not shown), in which the hexagon screws 44 are screwed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP13000395.7A 2012-01-31 2013-01-28 Pompe à vis à broche double dans une construction à simple flux Active EP2634366B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012001700A DE102012001700B4 (de) 2012-01-31 2012-01-31 Zweispindelige Schraubenspindelpumpe in einflutiger Bauweise

Publications (4)

Publication Number Publication Date
EP2634366A2 true EP2634366A2 (fr) 2013-09-04
EP2634366A3 EP2634366A3 (fr) 2015-11-18
EP2634366C0 EP2634366C0 (fr) 2024-02-28
EP2634366B1 EP2634366B1 (fr) 2024-02-28

Family

ID=47681604

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13000395.7A Active EP2634366B1 (fr) 2012-01-31 2013-01-28 Pompe à vis à broche double dans une construction à simple flux

Country Status (4)

Country Link
US (1) US9624925B2 (fr)
EP (1) EP2634366B1 (fr)
DE (1) DE102012001700B4 (fr)
ES (1) ES2974944T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111082629A (zh) * 2020-01-10 2020-04-28 刘发明 一种单线环绕的无刷马达
EP4095384A1 (fr) * 2021-05-27 2022-11-30 Jung & Co. Gerätebau GmbH Pompe à broche hélicoïdale de construction en simple flux

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014002396A1 (de) 2014-02-24 2015-08-27 Jung & Co. Gerätebau GmbH Zweispindelige Schraubenspindelpumpe in einflutiger Bauweise
DE202014010877U1 (de) 2014-02-24 2017-01-02 Jung & Co. Gerätebau GmbH Zweispindelige Schraubenspindelpumpe in einflutiger Bauweise
DE202014010816U1 (de) 2014-08-11 2016-09-21 Jung & Co. Gerätebau GmbH Schraubenspindelpumpe mit Dampfsperre
USD749138S1 (en) 2014-12-19 2016-02-09 Q-Pumps S.A. de C.V. Twin screw pump
DE102017007832A1 (de) 2017-08-22 2019-02-28 Pumpenfabrik Wangen Gmbh Verfahren zur Herstellung eines Drehkolbens für eine Schraubenspindelpumpe
USD896845S1 (en) * 2018-06-12 2020-09-22 Alfa Laval Corporate Ab Twin screw pump
USD896846S1 (en) * 2018-06-12 2020-09-22 Alfa Laval Corporate Ab Twin screw pump
JP6766850B2 (ja) * 2018-08-24 2020-10-14 株式会社タツノ 容積型ポンプ
DE102020103384B4 (de) 2020-02-11 2025-11-13 Gardner Denver Deutschland Gmbh Schraubenverdichter mit einseitig gelagerten Rotoren
DE102020124392A1 (de) * 2020-09-18 2022-03-24 Itt Bornemann Gmbh Abstandseinstellung für doppelschneckenpumpen
USD976962S1 (en) * 2021-01-19 2023-01-31 Alfa Laval Corporate Ab Rotary positive-displacement pump
USD973722S1 (en) * 2021-01-19 2022-12-27 Alfa Laval Corporate Ab Rotary positive displacement pump
DE102024104230A1 (de) 2024-02-15 2025-08-21 FRISTAM Pumpen Schaumburg GmbH Verdrängerpumpe mit Synchrongetriebe
DE202024100727U1 (de) 2024-02-15 2024-02-29 FRISTAM Pumpen Schaumburg GmbH Verdrängerpumpe mit Synchrongetriebe

Citations (1)

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Publication number Priority date Publication date Assignee Title
DE202009014604U1 (de) 2009-10-29 2010-01-28 Jung & Co. Gerätebau GmbH Schraubenspindelpumpe mit Kupplung

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US2287716A (en) * 1941-04-22 1942-06-23 Joseph E Whitfield Fluid device
US2641937A (en) * 1949-07-15 1953-06-16 Crown Cork & Seal Co Adjustable torsion shaft in flying shears
US2683994A (en) * 1951-05-17 1954-07-20 Read Standard Corp Adjusting device
US3037396A (en) * 1959-05-11 1962-06-05 Merrill David Martin Backlash preventing gears for coupled driven and drive shafts
US3057665A (en) * 1960-06-24 1962-10-09 Warren Pumps Inc Pump
DE2001000A1 (de) * 1970-01-10 1971-07-15 Allweiler Ag Einstelleinrichtung an Schraubenspindelpumpen
CH613258A5 (fr) * 1975-09-24 1979-09-14 Suter Fa Alois
SE454202B (sv) * 1982-06-07 1988-04-11 Atlas Copco Ab Kompressordrivarrangemang for justering av driftkarakteristika
US6027322A (en) * 1997-10-29 2000-02-22 Coltec Industries Inc Method and apparatus for adjusting the rotors of a rotary screw compressor
ES2187848T3 (es) * 1998-04-11 2003-06-16 Bornemann J H Gmbh Maquina que conduce fluidos.
EP1061260A1 (fr) * 1999-05-18 2000-12-20 Sterling Fluid Systems (Germany) GmbH Machine à déplacement positif pour des fluides compressibles
DE10257859C5 (de) * 2002-12-11 2012-03-15 Joh. Heinr. Bornemann Gmbh Schraubenspindelpumpe
WO2006087038A1 (fr) * 2005-02-16 2006-08-24 Ateliers Busch Sa Machine rotative volumétriques avec rotors à profils asymétriques
GB2432631A (en) * 2005-11-24 2007-05-30 Timothy John Sweatman Meshing gear type pump controlled by phase adjustment

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
DE202009014604U1 (de) 2009-10-29 2010-01-28 Jung & Co. Gerätebau GmbH Schraubenspindelpumpe mit Kupplung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111082629A (zh) * 2020-01-10 2020-04-28 刘发明 一种单线环绕的无刷马达
EP4095384A1 (fr) * 2021-05-27 2022-11-30 Jung & Co. Gerätebau GmbH Pompe à broche hélicoïdale de construction en simple flux

Also Published As

Publication number Publication date
EP2634366A3 (fr) 2015-11-18
DE102012001700A1 (de) 2013-08-01
US9624925B2 (en) 2017-04-18
EP2634366C0 (fr) 2024-02-28
ES2974944T3 (es) 2024-07-02
US20130251581A1 (en) 2013-09-26
EP2634366B1 (fr) 2024-02-28
DE102012001700B4 (de) 2013-09-12

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